//禁止右键菜单、选择或编辑
$(document).bind("contextmenu",function(e){ 
                return false; 
            }); 

	if(document.all){
    document.onselectstart= function(){return false;}; //for ie
	}else{
    document.onmousedown= function(){return false;};
    document.onmouseup= function(){return true;};
	}
	document.onselectstart = new Function('event.returnValue=false;');